Question

11. Using suitable identity evaluate the following: (i) 98 ^ 3 (ii) 188 * 212​

Answer 1

Answer:

1.

98³

(100-2)³

100³ + 2³ + 3(100*2)(100+2)

[ by using the formula (a-b)³= a³+b³+3ab(a+b)]

1000000+8+(600*102)

1000008+61200

1061208 is the answer

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